Transmission Dynamics of a Driven Two-Level System Dissipated by Leads

Chin. Phys. Lett.

2001, Vol. 18

Issue (3): 422-424 DOI:

Original Articles

Transmission Dynamics of a Driven Two-Level System Dissipated by Leads

ZHANG Ping¹;FAN Wen-Bin¹;ZHAO Xian-Geng²

¹Graduate School, China Academy of Engineering Physics, P.O. Box 2101, Beijing 100088 ²Institute of Applied Physics and Computational Mathematics, P.O. Box 8009, Beijing 100088

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ZHANG Ping, FAN Wen-Bin, ZHAO Xian-Geng 2001 Chin. Phys. Lett. 18 422-424

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Abstract We study the transmission dynamics of a driven two-level system
dissipated by the two leads. Using nonequilibrium Green function, we derive an analytical transmission formula for an electron incident from the left lead, through the double quantum dots, to the right lead. Landauer-type conductance and current are also given. A discussion of the internal tunneling dynamics reveals crucial effects of the localization and delocalization on the transport of the system.

Keywords: 71.70.Ej 73.40.Gk 73.20.Dx

Published: 01 March 2001

PACS:	71.70.Ej	(Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect)
	73.40.Gk	(Tunneling)
	73.20.Dx

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I3/0422

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